DE2923483A1 - Polarographischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen, insbesondere in abgasen von verbrennungsmotoren - Google Patents

Polarographischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen, insbesondere in abgasen von verbrennungsmotoren

Info

Publication number
DE2923483A1
DE2923483A1 DE19792923483 DE2923483A DE2923483A1 DE 2923483 A1 DE2923483 A1 DE 2923483A1 DE 19792923483 DE19792923483 DE 19792923483 DE 2923483 A DE2923483 A DE 2923483A DE 2923483 A1 DE2923483 A1 DE 2923483A1
Authority
DE
Germany
Prior art keywords
cathode
sensor according
anode
gas
platinum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19792923483
Other languages
German (de)
English (en)
Inventor
Herrmann Dipl Chem Dr Deitz
Karl-Hermann Dipl Phys Friese
Wolfgang Dipl Phys D Leibfried
Ernst Dipl Ing Linder
Helmut Maurer
Klaus Dr Mueller
Guenther Dipl Phys Stecher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19792923483 priority Critical patent/DE2923483A1/de
Priority to EP80102284A priority patent/EP0020938B1/de
Priority to DE8080102284T priority patent/DE3065133D1/de
Priority to JP7566580A priority patent/JPS55166038A/ja
Priority to US06/157,303 priority patent/US4292158A/en
Publication of DE2923483A1 publication Critical patent/DE2923483A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4075—Composition or fabrication of the electrodes and coatings thereon, e.g. catalysts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G01N27/4071—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure
    • G01N27/4072—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure characterized by the diffusion barrier
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
DE19792923483 1979-06-09 1979-06-09 Polarographischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen, insbesondere in abgasen von verbrennungsmotoren Withdrawn DE2923483A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19792923483 DE2923483A1 (de) 1979-06-09 1979-06-09 Polarographischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen, insbesondere in abgasen von verbrennungsmotoren
EP80102284A EP0020938B1 (de) 1979-06-09 1980-04-26 Polarographischer Messfühler für die Bestimmung des Sauerstoffgehaltes in Gasen, insbesondere in Abgasen von Verbrennungsmotoren
DE8080102284T DE3065133D1 (en) 1979-06-09 1980-04-26 Polarographic sensor for determining the oxygen content in gases, especially in exhaust gases of internal-combustion engines
JP7566580A JPS55166038A (en) 1979-06-09 1980-06-06 Polarograph measuring sensor for oxitygen content of gas
US06/157,303 US4292158A (en) 1979-06-09 1980-06-09 Oxygen sensor of the polarographic type, particularly for use with internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792923483 DE2923483A1 (de) 1979-06-09 1979-06-09 Polarographischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen, insbesondere in abgasen von verbrennungsmotoren

Publications (1)

Publication Number Publication Date
DE2923483A1 true DE2923483A1 (de) 1980-12-11

Family

ID=6072898

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19792923483 Withdrawn DE2923483A1 (de) 1979-06-09 1979-06-09 Polarographischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen, insbesondere in abgasen von verbrennungsmotoren
DE8080102284T Expired DE3065133D1 (en) 1979-06-09 1980-04-26 Polarographic sensor for determining the oxygen content in gases, especially in exhaust gases of internal-combustion engines

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8080102284T Expired DE3065133D1 (en) 1979-06-09 1980-04-26 Polarographic sensor for determining the oxygen content in gases, especially in exhaust gases of internal-combustion engines

Country Status (4)

Country Link
US (1) US4292158A (enrdf_load_stackoverflow)
EP (1) EP0020938B1 (enrdf_load_stackoverflow)
JP (1) JPS55166038A (enrdf_load_stackoverflow)
DE (2) DE2923483A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626162A1 (de) * 1985-08-02 1987-02-12 Hitachi Ltd Luft-kraftstoff-verhaeltnisermittlungssystem fuer ein motorauspuffgas
DE3529335A1 (de) * 1985-08-16 1987-02-26 Draegerwerk Ag Festkoerperkette zur aktivitaetsmessung mit festem ionenleiter
DE3728289C1 (de) * 1987-08-25 1988-08-04 Bosch Gmbh Robert Nach dem polarographischen Messprinzip arbeitende Grenzstromsonde

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2494445A1 (fr) * 1980-11-17 1982-05-21 Socapex Capteur electrochimique des concentrations d'especes dans un melange fluide et systeme de regulation de la richesse d'un melange air-carburant mettant en oeuvre un tel capteur
JPS5958356A (ja) * 1982-09-28 1984-04-04 Fuji Electric Corp Res & Dev Ltd ガス分析機器の製造方法
JPS59147250A (ja) * 1983-02-14 1984-08-23 Fuji Electric Corp Res & Dev Ltd ガス分析機器
JPS59166854A (ja) * 1983-03-14 1984-09-20 Toyota Central Res & Dev Lab Inc 限界電流式酸素センサ
JPS59184854A (ja) * 1983-04-06 1984-10-20 Hitachi Ltd 酸素センサ
JPS6086457A (ja) * 1983-10-19 1985-05-16 Hitachi Ltd エンジン制御用空燃比センサ
JPH0612354B2 (ja) * 1983-11-28 1994-02-16 株式会社日立製作所 酸素濃度測定装置の製造方法
US4579643A (en) * 1983-11-18 1986-04-01 Ngk Insulators, Ltd. Electrochemical device
JPH081426B2 (ja) * 1983-11-18 1996-01-10 日本碍子株式会社 電気化学的装置
JPS60135756A (ja) * 1983-12-24 1985-07-19 Ngk Insulators Ltd 電気化学的セルの製造方法
DE3405162A1 (de) * 1984-02-14 1985-08-22 Bosch Gmbh Robert Polarographischer sauerstoffmessfuehler
JPS60173461A (ja) * 1984-02-20 1985-09-06 Nissan Motor Co Ltd 酸素センサ
US4571285A (en) * 1984-05-29 1986-02-18 Fujikura Ltd. Oxygen sensor for and method of determining concentration of oxygen
JPS6147553A (ja) * 1984-08-13 1986-03-08 Hitachi Ltd 空燃比センサ
EP0218707B1 (de) * 1985-04-17 1992-06-24 Bayer Diagnostic GmbH Elektrochemischer messfühler
DE3635157A1 (de) * 1986-10-16 1988-04-21 Bosch Gmbh Robert Gassensor mit cermet-elektroden
JPH0752171B2 (ja) * 1987-05-30 1995-06-05 日本碍子株式会社 電気化学的素子
DE3834987A1 (de) * 1988-10-14 1990-04-19 Bosch Gmbh Robert Sensorelement fuer grenzstromsensoren zur bestimmung des (lambda)-wertes von gasgemischen
DE3841611A1 (de) * 1988-12-10 1990-06-13 Bosch Gmbh Robert Sensorelement fuer grenzstromsensoren zur bestimmung des (lambda)-wertes von gasgemischen
US5435901A (en) * 1989-08-18 1995-07-25 Robert Bosch Gmbh Electrochemical measuring sensor
US5486279A (en) * 1989-10-17 1996-01-23 Robert Bosch Gmbh Electrochemical measuring probe
GB9116385D0 (en) * 1991-07-30 1991-09-11 British Gas Plc Oxygen sensor
DE4226540A1 (de) * 1992-08-11 1994-04-21 Bosch Gmbh Robert Polarographischer Sensor
DE4319573A1 (de) * 1993-06-14 1994-12-15 Mannesmann Ag Elektrochemischer Gasdetektor
WO1995014226A1 (en) * 1993-11-19 1995-05-26 Ceramatec, Inc. Multi-functional sensor for combustion systems
US6051123A (en) * 1995-06-15 2000-04-18 Gas Research Institute Multi-functional and NOx sensor for combustion systems
JP4309491B2 (ja) * 1997-05-28 2009-08-05 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 混合ガスのラムダ値を規定するための限界電流ゾンデ用のセンサ部材、ならびに該センサ部材を寸法決めするための方法
US7771576B2 (en) * 2006-07-18 2010-08-10 Ngk Spark Plug Co., Ltd. Gas sensor and method for manufacturing gas sensor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2300417A1 (de) * 1973-01-05 1974-07-11 Bbc Brown Boveri & Cie Messaufnehmer fuer geloeste gase
FR2252041A5 (enrdf_load_stackoverflow) * 1973-11-16 1975-06-13 Thomson Csf
JPS5267697A (en) * 1975-12-03 1977-06-04 Nissan Motor Method and instrument for airrfuel ratio detection
CA1071709A (en) * 1975-12-05 1980-02-12 Arnold O. Isenberg Gas analysis apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626162A1 (de) * 1985-08-02 1987-02-12 Hitachi Ltd Luft-kraftstoff-verhaeltnisermittlungssystem fuer ein motorauspuffgas
DE3529335A1 (de) * 1985-08-16 1987-02-26 Draegerwerk Ag Festkoerperkette zur aktivitaetsmessung mit festem ionenleiter
DE3728289C1 (de) * 1987-08-25 1988-08-04 Bosch Gmbh Robert Nach dem polarographischen Messprinzip arbeitende Grenzstromsonde

Also Published As

Publication number Publication date
EP0020938B1 (de) 1983-10-05
US4292158A (en) 1981-09-29
JPS634137B2 (enrdf_load_stackoverflow) 1988-01-27
DE3065133D1 (en) 1983-11-10
EP0020938A1 (de) 1981-01-07
JPS55166038A (en) 1980-12-24

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee